"Regrettably Mot�rhead have had to cancel their Dallas (Sep 4) and Houston (Sep 5) appearances," announced the group. "Saxon will still be playing in each city (please check local media for up-to-date venue information).

"Lemmy fully intends to resume touring duties as, and when, his doctors give him the all-clear. Stay tuned for further updates, and as always, thank you for your support, understanding and good wishes."